Quarter	Percent
1996-03-31	6.03
1996-06-30	5.78
1996-09-30	5.875
1996-12-31	6.5
1997-03-31	6.375
1997-06-30	6.91
1997-09-30	7.28
1997-12-31	7.595
1998-03-31	7.545
1998-06-30	7.81
1998-09-30	7.31
1998-12-31	6.16
1999-03-31	5.235
1999-06-30	5.07
1999-09-30	5.53
1999-12-31	6.0625
2000-03-31	6.2188
2000-06-30	6.1563
2000-09-30	6.1251
2000-12-31	5.845
2001-03-31	5.4688
2001-06-30	5.25
2001-09-30	4.44
2001-12-31	4.0313
2002-03-31	4.185
2002-06-30	4.125
2002-09-30	3.87
2002-12-31	3.965
2003-03-31	3.605
2003-06-30	3.585
2003-09-30	3.665
2003-12-31	3.945
2004-03-31	4.315
2004-06-30	4.775
2004-09-30	4.85
2004-12-31	4.82
2005-03-31	4.92
2005-06-30	4.64
2005-09-30	4.535
2005-12-31	4.585
2006-03-31	4.57
2006-06-30	4.72
2006-09-30	5.025
2006-12-31	5.28
2007-03-31	5.57
2007-06-30	5.97
2007-09-30	6.25
2007-12-31	6
2008-03-31	5.975
2008-06-30	5.905
2008-09-30	6.225
2008-12-31	2.875
2009-03-31	1.5
2009-06-30	1.175
2009-09-30	0.5
2009-12-31	0.62
2010-03-31	0.615
2010-06-30	0.775
2010-09-30	0.74
2010-12-31	0.725
2011-03-31	0.84
2011-06-30	0.825
2011-09-30	0.975
2011-12-31	1.105
2012-03-31	1.055
2012-06-30	0.905
2012-09-30	0.905
2012-12-31	0.865